acohen disappear. he agreed to pay $600 million to settle civil fcc charges and avoid a trial. >>> at the annual education summit this week is combatting the skyrocketing cost of higher education. so some investors and entrepreneurs are jumping on a new opportunity, ed text startups, companies schools use new technology to bring educational opportunities to students almost everywhere. julia boorstin has more. >> a hot top pick at nbc's education nation conference is ed tech. they use technology to make education effective and accessible. the internet mobile devices and social tools are giving students new potential, giving those thousands of miles away free access, the best educational institutions in the world. >> anybody in the world should be able to take high quality courses whether at the college level or high school. they should be able to take it freely. >> the amount of investment in ed tech quadrupled to 630 million in 2012. over the same period, the number of companies funded quadrupled from